"Who Is That Masked Man?" -- When Holmes\' investigation into the attempt on Morland\'s life pushes their strained relationship to the breaking point, the identity of Sherlock\'s mother is revealed. Also, when three gang members are murdered, Holmes and Watson are amazed when an elderly woman emerges as their prime suspect, on ELEMENTARY, Thursday, Feb. 25 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Lucy Liu as Joan Watson Photo: Best Possible Screen Grab/CBS ÃÂ©2016 CBS Broadcasting, Inc. All Rights Reserved | Episode 4.14 - Who Is That Masked Man | Promotional Episode Photos | Season 4 | Elementary | Gallery

SpoilerTV Image Archive | Gallery | Elementary | Season 4 | Promotional Episode Photos | Episode 4.14 - Who Is That Masked Man | "Who Is That Masked Man?" -- When Holmes\' investigation into the attempt on Morland\'s life pushes their strained relationship to the breaking point, the identity of Sherlock\'s mother is revealed. Also, when three gang members are murdered, Holmes and Watson are amazed when an elderly woman emerges as their prime suspect, on ELEMENTARY, Thursday, Feb. 25 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Lucy Liu as Joan Watson Photo: Best Possible Screen Grab/CBS ÃÂ©2016 CBS Broadcasting, Inc. All Rights Reserved

$"Who Is That Masked Man?" -- When Holmes\' investigation into the attempt on Morland\'s life pushes their strained relationship to the breaking point, the identity of Sherlock\'s mother is revealed. Also, when three gang members are murdered, Holmes and Watson are amazed when an elderly woman emerges as their prime suspect, on ELEMENTARY, Thursday, Feb. 25 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Lucy Liu as Joan Watson Photo: Best Possible Screen Grab/CBS ÃÂ©2016 CBS Broadcasting, Inc. All Rights Reserved$